396650028 has 48 divisors (see below), whose sum is σ = 946181376. Its totient is φ = 129297600.

The previous prime is 396650021. The next prime is 396650047. The reversal of 396650028 is 820056693.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (396650021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98625 + ... + 102567.

It is an arithmetic number, because the mean of its divisors is an integer number (19712112).

Almost surely, 2^396650028 is an apocalyptic number.

It is an amenable number.

396650028 is an abundant number, since it is smaller than the sum of its proper divisors (549531348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396650028 is a wasteful number, since it uses less digits than its factorization.

396650028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134 (or 4132 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 396650028 is about 19916.0746132364. The cubic root of 396650028 is about 734.7436303345.

The spelling of 396650028 in words is "three hundred ninety-six million, six hundred fifty thousand, twenty-eight".